USD819186SActiveUtility

Connector for double pipe heat exchanger

Assignee: HS R & A CO LTDPriority: Dec 12, 2011Filed: Jul 18, 2016Granted: May 29, 2018
Est. expiryDec 12, 2031(~5.4 yrs left)· nominal 20-yr term from priority
F28D 7/10F28F 1/28F28F 9/0253F28D 7/106B60H 1/32F28F 1/40F28F 9/26
83
PatentIndex Score
4
Cited by
57
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a connector for double pipe heat exchanger, as shown and described.

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